内皮尔教授说，在2万至3万年前，一颗彗星突然冲进太阳系内部，并且从那时起就一直被瓦解。
Prof Napier says a comet swooped into the inner solar system between 20, 000 and 30, 000 years ago and has been breaking apart ever since.
方法利用低密度脂蛋白作用人血管内皮细胞系ecv304，通过基因芯片分析人信号传导相关蛋白的表达谱。
Methods Microarray analysis on human signal transduction associated proteins was applied to profile changes in gene expression of human ECV304 endothelial cells induced by low density lipoprotein.
结论：QY 1骨髓多能间质干细胞系细胞在体外特定条件下具有分化为心肌细胞和血管内皮细胞的能力。
Conclusion the cells of QY1 bone marrow mesenchymal stem cell line may differentiate into cardiomyocytes or vascular endothelial cells in vitro under specific condition.
目的：研究人骨肉瘤OS 732细胞系促血管生成作用及血管内皮生长因子（VEGF）抗体对其血管生成的抑制作用。
Purpose To study the angiogenesis induced by OS 732 cell line and its inhibition by anti VEGF antibody.
方法：采用细胞培养的方法建立稳定传代的胰腺癌hs 766t细胞系，体外培养人脐带静脉内皮细胞。
Methods: We built the pancreatic cancer cell group HS 766t and human endothelium cell in the umbilical vein by the way of cell culture in vitro.
然后血管紧张素i在血管紧张素转换酶作用下变为血管紧张系II，血管紧张素转换酶是一种位于肺部血管内皮的含锌酶。
Angiotensin I is then cleaved to form active angiotensin II by ACE, a zinc-containing enzyme located in the endothelial lining of the vasculature of the lungs.
方法：采用体外实验的方法将不同浓度的血管内皮生长因子抗体作用卵巢癌细胞系skov3。
Methods: The different concentrations of anti VEGF antibody was used to act on SKOV3 in vitro.
内皮细胞和系膜细胞数目正常。
目的探讨检测血清与腹水血管内皮生长因子(VEGF)对消化系恶性肿瘤的诊断及良、恶性腹水鉴别诊断的价值。
Objective To approach the diagnostic and differential diagnostic values of serum and ascites VEGF measurement for the alimentary tract malignant tumors with the ascites.
组织因子途径抑制物- 2；急性髓系白血病；血管内皮生长因子；白血病。
Tissue factor pathway inhibitor-2; Acute myelocytic leukemia; VEGF; leukemia.
组织因子途径抑制物- 2；急性髓系白血病；血管内皮生长因子；白血病。
Tissue factor pathway inhibitor-2; Acute myelocytic leukemia; VEGF; leukemia.
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